If you want to perform repairs on your own Hyosung RT125D then it will always be a good plan to have access to a Workshop Manual for a reference in case you want to know how you can remove a certain component much like the Dashboard and fit it again safely.
Hyosung RT125D Workshop Manuals provide you with identifiable diagnostic facts with regards to your car or truck therefore if something is wrong it helps you find out what the situation is and how you can repair it. You can then assess if this can be done on your own or if the job is simply too big you could make a reservation for your RT125D right into a suitable car garage.
Hyosung RT125D manual